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Constructing a tridecagon (triskaidecagon) in a circumcircle with ruler and compass

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Xuất bản 09/08/2016
It's not possible to construct a regular 13 sided polygon (tridecagon or triskaidecagon) using a straightedge and a compass. However, you can get so close that you won't be able to see the difference. This video shows you how. The polygon gets (almost) constructed inside a given circle, that becomes the circumcircle of the polygon. For more videos and math help, see Music "Go Cart" by Kevin MacLeod,
13 Compass-and-straightedge Construction tridecagon triskaidecagon